Home / 484,869.78-727,061.13-282,531.24

Finding the Fourth Proportional to 484,869.78, 727,061.13 and 282,531.24

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Solution

The fourth proportional to 484,869.78, 727,061.13 and 282,531.24 is: 423,654.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,869.78 : 727,061.13 = 282,531.24 : x
  2. Step 2: Convert to fraction form
    484,869.78/727,061.13 = 282,531.24/x
  3. Step 3: Cross multiply
    484,869.78x = 727,061.13 × 282,531.24
  4. Step 4: Simplify right side
    484,869.78x = 205,417,482,614.70
  5. Step 5: Solve for x
    x = 205,417,482,614.70/484,869.78
  6. Step 6: Final answer
    x = 423,654.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.